FAQ

Question: How to determine sprue location in mold design? Answer: Based on product shape and size. For zinc alloy medals, sprues are typically evenly spaced at four positions around t……

Question :Why remove sprue and flash from the cast blank? Answer: Sprue and flash are unnecessary by products of die-casting and must be cleaned and removed to meet custom product sta……

Question:What causes surface porosity on the cast blank? Answer: Poor mold venting. Adjust vent holes to improve exhaust efficiency. This is critical for maintaining high-quality cust……

Question: What causes water marks on the cast blank? Mold making Answer: 1. Insufficient mold surface finish; 2. Insufficient die-casting machine pressure; 3. Rapid startup speed caus……

Question:Why does a die-casting machine need to preheat a new mold when replacing it? Answer: Heating the new mold allows it to reach the required operating temperature, ensuring zinc……

Question: If the sprue of a blank is too thick, making it hard to peel off with a large sprue mark, how to solve it? Answer: A thick sprue results from an overly large sprue inlet dur……

Question: What causes cracks in blanks after die-casting? Answer: Cracks are caused by insufficient or unevenly distributed ejector pins (leading to uneven force) or deflection of the……

Question: What is used in the die-casting process to enable quick separation of blanks from the mold? Answer: Release agent. Our factory uses release agent to ensure blanks separate f……

Question:What is the raw material for zinc alloy die-casting, what are its models, and what are the material properties? Answer: Zinc alloy. Common models used are 3#, 5#, and 7#. As ……

Question:What are the commonly used software for drawing mold blueprints? Answer: Beijing Jingdiao is commonly used; some customers adopt Rhino for custom mold design.   design

Question: What machine is used for mold engraving, and what is its working principle? Answer: Mold engraving machine. The working principle: Our factory imports custom mold drawings a……

Question: What is the function of mold ejector pins? Answer: Ejector pins function to push the product out and separate it from the mold, a critical step in our factory’s efficient cu……

Question: How many parts does a mold consist of, and what are their names? Answer: It consists of 6 parts: mold base, mold core, support pillar, slider, ejector pin, and sprue. Our fa……

Questions: What is the raw material for manufacturing zinc alloy die-casting molds? Answer: Die steel. As a professional manufacturer, we source high-quality die steel to ensure durab……

Question:What effect does mold heat treatment have? Answer: It increases the mold’s hardness and wear resistance, ensuring our manufacturer can maintain stable production qualit……

Question: What is the working principle of mold spark discharge, and what effect does it have? Answer: Working principle: Electrodes discharge on the mold, and high-temperature electr……